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Advance RM-2S35-TP ballast

Advance RM-2S35-TP ballast

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Here is the ballast I was describing to member Medved on another thread. This is a bonified POS. It starts up fine, but lights tubes horribly dim! It is .46 amp for 34/35 watt tubes and .57 amp for 40 watt tubes (and 25 watt UTSL T12s). These and the other "energy saver" ballasts are going into troffers I have with bad ballasts...for trades, along with their 34 watt tubes!

2012-01-23_17-19-25_228.jpg 2012-01-17_21-01-22_339.jpg 2012-01-05_20-49-31_803.jpg 2012-01-05_20-38-00_944.jpg

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Filename:2012-01-05_20-49-31_803.jpg
Album name:DieselNut / Fluorescent ballasts
Keywords:Gear
File Size:350 KB
Date added:Jan 05, 2012
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funkybulb
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Jan 05, 2012 at 10:30 PM Author: funkybulb
@dieselnut. I seen a few of those crap ballast at apartment complexes that i was redoing. they sure seem to underdrive lamp badly when it on F40 lamps. and it dimmer than the F34 tubes . i replace them with high power factor F40 ballast. the landloard not spending as much replacing tubes and it brighter.

Gotta love preheat and MV. let the lights keep my meter spinning.

DieselNut
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John


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Jan 05, 2012 at 10:55 PM Author: DieselNut
Oh yea. They are horribly dim! They cause the 34 watt tubes to have even worse striations too! These (thankfully) never seemed to be popular. I had seven in this haul from the recycle center and all but this one are gone with the troffer fixtures I fixed up and are fitted with 34 watt tubes and plenty of spares!

Preheat Fluorescents forever!
I love diesel engines, rural/farm life and vintage lighting!

Alights
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Mar 16, 2014 at 07:41 AM Author: Alights
This might be decent with F20T12s lol

Magnetic ballasts and old school electronic only zone!  No T8 instant start

DieselNut
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Mar 16, 2014 at 09:50 AM Author: DieselNut
I never thought to try that but you are probably right!

Preheat Fluorescents forever!
I love diesel engines, rural/farm life and vintage lighting!

TheMaritimeMan
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Mar 16, 2014 at 11:32 AM Author: TheMaritimeMan
This ballast is specified with a 0.66 ballast factor on F40T12 lamps. That equates to less than 22 watts per lamp! Definitely residential grade.
DieselNut
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Mar 16, 2014 at 11:55 AM Author: DieselNut
Then it would probably be perfect with two 20 watt tubes or two 22 watt circlines? I do not have any more of them, as I swapped out full power ballasts in some troffers for them. I noticed member Brendda has one in her collection. Maybe she could do an experiment with 20 watt tubes?

Preheat Fluorescents forever!
I love diesel engines, rural/farm life and vintage lighting!

TheMaritimeMan
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Mar 16, 2014 at 12:06 PM Author: TheMaritimeMan
It might work, depending on how the ballast regulates it's current, or it might just underdrive them just as much. I think T8 lamps would definitely run better, though.
don93s
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Mar 16, 2014 at 01:08 PM Author: don93s
Might work on 22w circlines but I doubt 20w. I've never been able to make 20w work on a normal RS ballast because the filament voltage is too low. Usually around 3.8v whereas "trigger start/rapid start" for 15-20w are about 9v cathode heating. I also tried putting a F90T17 on a VHO Rapid-start and had the same problem...the cathode voltage was too low so it was a cold cathode start-up....bad for lamp.
TheMaritimeMan
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Mar 16, 2014 at 01:12 PM Author: TheMaritimeMan
I've had success in starting small lamps on a 30/40 watt RS ballast, but the ballast's 250V OCV was usually capable of instant starting them, anyway.
Brendda75
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Mar 16, 2014 at 03:24 PM Author: Brendda75
Well I will try that with 2 F 20T12 lamps tomorrow! Should make for an interesting experiment. F30T12 lamps ran nicely on this ballast! Although only have 2 F30T12 lamps in my collection. But will try the experiment and let you know! Will also try with 22W lamps as well. I think I have 2 that isn't being used.

Love dresses, make-up and just crazy about fluorescent lighting!!  Keep those T12's and magnetic ballasts alive!!

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